N-((2R)-2,3-Dihydroxypropoxy)-3,4-difluoro-2-((2-fluoro-4-iodophenyl)amino)benzamide → (S)-2,3-Dihydroxy-propoxyl-3,4-difluoro-2-(2-fluoro-4-iodo-phenylamino)-benzamide

Participants

Reaction Steps

Prepared from (S)-O-(2,2-dimethyl-[1,3]dioxolan-4-ylmethyl)-hydroxylamine and 3,4-difluoro-2-(2-fluoro-4-iodo-phenylamino)-benzoic acid by the procedure described above for N-[(R)-2,3-dihydroxy-propoxy]-3,4-difluoro-2-(2-fluoro-4-iodo-phenylamino)-benzamide: m.p. 116-118° C. (Form II of Compound C); and m.p. 116-118° C. (Form I of Compound C); [α]=+1.77° (c=1.13, methanol). Analysis: Calcd. For: C16H14F3I1N2O4: C, 39.85; H, 2.93; N, 5.81; F, 11.82, I, 26.32. Found: C, 40.01; H, 2.73; N, 5.84; F, 11.45; I, 26.42.

Provenance & Evidence